Nurul, Nurdiana, et al. “Comparative Analysis of the Reckoning Method in Determining the Start of Prayer Times According to Rinto Anugraha and the Ephimeris System”. HISABUNA: Jurnal Ilmu Falak, vol. 4, no. 2, July 2023, pp. 125-37, doi:10.24252/hisabuna.v4i2.36967.